package com.zzyl.nursing.service.impl;

import java.util.*;
import java.util.stream.Collectors;

import cn.hutool.core.collection.ListUtil;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.github.pagehelper.Page;
import com.zzyl.common.core.domain.model.LoginUser;
import com.zzyl.common.exception.base.BaseException;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.common.utils.StringUtils;
import com.zzyl.common.utils.UserThreadLocal;
import com.zzyl.framework.web.service.TokenService;
import com.zzyl.nursing.domain.Elder;
import com.zzyl.nursing.domain.FamilyMemberElder;
import com.zzyl.nursing.dto.BindFamilyDto;
import com.zzyl.nursing.dto.UserLoginRequestDto;
import com.zzyl.nursing.mapper.FamilyMemberElderMapper;
import com.zzyl.nursing.mapper.RoomTypeMapper;
import com.zzyl.nursing.service.*;
import com.zzyl.nursing.vo.BindElderVo;
import com.zzyl.nursing.vo.LoginVo;
import com.zzyl.nursing.vo.MemberElderVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.mapper.FamilyMemberMapper;
import com.zzyl.nursing.domain.FamilyMember;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

/**
 * 老人家属Service业务层处理
 * 
 * @author ruoyi
 * @date 2025-08-26
 */
@Service
public class FamilyMemberServiceImpl extends ServiceImpl<FamilyMemberMapper,FamilyMember> implements IFamilyMemberService
{
    @Autowired
    private FamilyMemberMapper familyMemberMapper;

    @Autowired
    private WechatService wechatService;

    @Autowired
    private TokenService tokenService;

    @Autowired
    private IElderService elderService;

    @Autowired
    private FamilyMemberElderMapper familyMemberElderMapper;

    @Autowired
    private IRoomService roomService;

    @Autowired
    private IRoomTypeService roomTypeService;

    static List<String> DEFAULT_NICKNAME_PREFIX = ListUtil.of("生活更美好",
            "大桔大利",
            "日富一日",
            "好柿开花",
            "柿柿如意",
            "一椰暴富",
            "大柚所为",
            "杨梅吐气",
            "天生荔枝"
    );

    /**
     * 登录
     *
     * @param userLoginRequestDto
     * @return
     */
    @Override
    public LoginVo login(UserLoginRequestDto userLoginRequestDto) {

        try {
            //获取openid
            String openid = wechatService.getOpenid(userLoginRequestDto.getCode());

            //查询用户
            FamilyMember familyMember = getOne(Wrappers.<FamilyMember>lambdaQuery().eq(FamilyMember::getOpenId, openid));

            //获取手机号
            String phone = wechatService.getPhone(userLoginRequestDto.getPhoneCode());

            //保存更新用户
            if(null == familyMember){
                //组装名称  随机字符串+手机号后4位
                Random random = new Random();
                int index = random.nextInt(DEFAULT_NICKNAME_PREFIX.size());
                String name = DEFAULT_NICKNAME_PREFIX.get( index) + phone.substring(phone.length()-4);

                familyMember = FamilyMember.builder()
                        .openId(openid)
                        .phone( phone)
                        .name(name)
                        .build();
                save(familyMember);
            }else if(null != familyMember && !familyMember.getPhone().equals(phone)) {
                familyMember.setPhone( phone);
                updateById(familyMember);
            }

            //生成token返回
            LoginVo loginVo = new LoginVo();
            Map<String,Object> claims = new HashMap<>();
            claims.put("userId",familyMember.getId());
            claims.put("name",familyMember.getName());
            loginVo.setToken(tokenService.createToken(claims));
            loginVo.setNickName(familyMember.getName());
            return loginVo;
        } catch (Exception e) {
            e.printStackTrace();
            throw new BaseException("登录失败");
        }
    }

    @Override
    public void add(BindFamilyDto bindFamilyDto) {
        // 获取当前登录的用户ID
        Long userId = UserThreadLocal.getUserId();
        if (userId == null) {
            throw new BaseException("请先登录");
        }

        // 获取当前登录的家属信息
        FamilyMember familyMember = getById(userId);
        if (familyMember == null) {
            throw new BaseException("未找到当前登录的家属信息");
        }

        // 获取老人身份证
        String idCard = bindFamilyDto.getIdCard();
        if (StringUtils.isEmpty(idCard)) {
            throw new BaseException("请输入身份证号");
        }

        // 根据身份证号查找老人
        Elder elder = elderService.getOne(Wrappers.<Elder>lambdaQuery()
                .eq(Elder::getIdCardNo, idCard));
        if (elder == null) {
            throw new BaseException("未找到该身份证号对应的老人");
        }

        // 判断是否已经绑定过（通过家属openId和老人id查找绑定关系）
        FamilyMemberElder existingBind = familyMemberElderMapper.selectOne(
                Wrappers.<FamilyMemberElder>lambdaQuery()
                        .eq(FamilyMemberElder::getFamilyMemberId, familyMember.getId())
                        .eq(FamilyMemberElder::getElderId, elder.getId()));
        if (existingBind != null) {
            throw new BaseException("您已绑定该老人");
        }

        // 创建绑定关系
        FamilyMemberElder memberElder = new FamilyMemberElder();
        memberElder.setFamilyMemberId(familyMember.getId());
        memberElder.setElderId(elder.getId());
        memberElder.setRemark(bindFamilyDto.getRemark());
        familyMemberElderMapper.insert(memberElder);
    }

    @Override
    public List<BindElderVo> myBindElder() {

        // 获取当前登录的用户ID
        Long userId = UserThreadLocal.getUserId();
        if (userId == null) {
            throw new BaseException("请先登录");
        }
        //通过用户ID查询该用户下的所有绑定关系
        List<FamilyMemberElder> familyMemberElders = familyMemberElderMapper.selectList(
                Wrappers.<FamilyMemberElder>lambdaQuery()
                        .eq(FamilyMemberElder::getFamilyMemberId, userId)
        );
       //通过获取的绑定关系，查询绑定的老人信息
        List<BindElderVo> bindElderVos = familyMemberElders.stream().map(familyMemberElder -> {
            BindElderVo bindElderVo = new BindElderVo();
            bindElderVo.setId(familyMemberElder.getId());
            bindElderVo.setElderId(familyMemberElder.getElderId());
            bindElderVo.setElderName(elderService.selectElderById(familyMemberElder.getElderId()).getName());
            return bindElderVo;
        }).collect(Collectors.toList());
        //将获取到的信息封装在BindElderVo中返回
        return bindElderVos;
    }

    @Override
    public List<MemberElderVo> listByPage() {
        // 获取当前登录的用户ID
        Long userId = UserThreadLocal.getUserId();
        if (userId == null) {
            throw new BaseException("请先登录");
        }
        //通过用户ID查询该用户下的所有绑定关系
        List<FamilyMemberElder> familyMemberElders = familyMemberElderMapper.selectList(
                Wrappers.<FamilyMemberElder>lambdaQuery()
                        .eq(FamilyMemberElder::getFamilyMemberId, userId)
        );
        //通过获取的绑定关系，查询绑定的老人信息 分页查询封装并通过MemberElderVo返回给前端
        List<MemberElderVo> memberElderVos = familyMemberElders
                .stream()
                .map(familyMemberElder -> {
            MemberElderVo memberElderVo = new MemberElderVo();
            memberElderVo.setMid(familyMemberElder.getId());
            memberElderVo.setMremark(familyMemberElder.getRemark());
            memberElderVo.setElderId(familyMemberElder.getElderId());

            // 获取老人信息（只查询一次）
            Elder elder = elderService.selectElderById(familyMemberElder.getElderId());
            if (elder != null) {
                memberElderVo.setName(elder.getName());
                memberElderVo.setImage(elder.getImage());
                memberElderVo.setBedNumber(elder.getBedNumber());
                //根据老人bedId获取房间类型
                memberElderVo.setTypeName(String.valueOf(roomTypeService.selectRoomTypeById(elder.getBedId()).getName()));
            }
            return memberElderVo;
        }).collect(Collectors.toList());

        return memberElderVos;
    }

    @Override
    public void deleteFamilyMemberElderById(Long id) {
        familyMemberElderMapper.deleteById(id);
    }

    /**
     * 查询老人家属
     * 
     * @param id 老人家属主键
     * @return 老人家属
     */
    @Override
    public FamilyMember selectFamilyMemberById(Long id)
    {
        return getById(id);
    }

    /**
     * 查询老人家属列表
     * 
     * @param familyMember 老人家属
     * @return 老人家属
     */
    @Override
    public List<FamilyMember> selectFamilyMemberList(FamilyMember familyMember)
    {
        return familyMemberMapper.selectFamilyMemberList(familyMember);
    }

    /**
     * 新增老人家属
     * 
     * @param familyMember 老人家属
     * @return 结果
     */
    @Override
    public int insertFamilyMember(FamilyMember familyMember)
    {
        return save(familyMember)?1:0;
    }

    /**
     * 修改老人家属
     * 
     * @param familyMember 老人家属
     * @return 结果
     */
    @Override
    public int updateFamilyMember(FamilyMember familyMember)
    {
        return updateById(familyMember)?1:0;
    }

    /**
     * 批量删除老人家属
     * 
     * @param ids 需要删除的老人家属主键
     * @return 结果
     */
    @Override
    public int deleteFamilyMemberByIds(Long[] ids)
    {
        return removeByIds(Arrays.asList(ids))?1:0;
    }

    /**
     * 删除老人家属信息
     * 
     * @param id 老人家属主键
     * @return 结果
     */
    @Override
    public int deleteFamilyMemberById(Long id)
    {
        return removeById(id)?1:0;
    }

}
